Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 08:10
Static task
static1
Behavioral task
behavioral1
Sample
20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe
Resource
win7-20240903-en
General
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Target
20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe
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Size
156KB
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MD5
c8f8bb82322a818bb0904d24f7bbff55
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SHA1
f0414782295eadd75308a4a20216d79e2fecbdab
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SHA256
2d504d9acdddfaa6e6f879203bdc8de886fff21997987407961753e26c5c75cc
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SHA512
f1a2cd95217bfe45bf4b86858d2fc77056b9a2c780690598bd757eb7166bd0fe841740aff29c99ac65191ce874981455499ff1defc3e7f7957d82c237b1b6046
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SSDEEP
3072:XdOZkqliyV9314GSJXAfEmd2iobWQtTl/2Q54I:XoZxurJXAfAiobWQtTluQiI
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
resource yara_rule behavioral2/memory/4220-3-0x00000000022C0000-0x000000000334E000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\20241002c8f8bb82322a818bb0904d24f7bbff55bkransomware.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- System policy modification
PID:4220
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5